Eli Zaretskii <eliz@gnu.org> writes:

>> From: Stefan Kangas <stefan@marxist.se>
>> Date: Tue, 19 Nov 2019 15:14:45 +0100
>> Cc: Lars Ingebrigtsen <larsi@gnus.org>, 30660@debbugs.gnu.org, 
>> 	積丹尼 Dan Jacobson <jidanni@jidanni.org>
>> 
>> Re-reading your message, I see that you also asked for a
>> "cross-reference in the elisp manual which points to that".  My patch
>> did not add such a reference.  That was an oversight on my part.
>
> Yes, that's what I was missing.  Also, the log message says
>
>   * lisp/help-fns.el (describe-keymap): New command to show key bindings
>   for a given keymap.  (Bug#30660)
>   * doc/emacs/help.texi (Misc Help): Document it.
>
> but I see no patch part that describes describe-keymap in help.texi...

Please find attached an updated patch below.

Best regards,
Stefan Kangas